Question

day 95: january 28th
which box of thank you cards cost $0.34 per card?
a. a box of 10 cards for $3.40 =
b. a box of 12 cards for $4.20 =
c. a box of 16 cards for $5.76 =
d. a box of 18 cards for $6.12 =
e. a box of 24 cards for $8.16 =
f. a box of 36 cards for $12.224 =

Explanation:

Step1: Calculate cost per card (a)

$\frac{\$3.40}{10} = \$0.34$

Step2: Calculate cost per card (b)

$\frac{\$4.20}{12} = \$0.35$

Step3: Calculate cost per card (c)

$\frac{\$5.76}{16} = \$0.36$

Step4: Calculate cost per card (d)

$\frac{\$6.12}{18} = \$0.34$

Step5: Calculate cost per card (e)

$\frac{\$8.16}{24} = \$0.34$

Step6: Calculate cost per card (f)

$\frac{\$12.24}{36} = \$0.34$

Answer:

a. A box of 10 cards for $3.40
d. A box of 18 cards for $6.12
e. A box of 24 cards for $8.16
f. A box of 36 cards for $12.24